In a Sampling Application to Determine the Average Age of Employees

question 12

Multiple Choice

In a sampling application to determine the average age of employees in management positions,the sample estimate was 50 years,reliability was 80 percent,and precision was 10 years.Which of the following would most likely result from an increase in the desired level of reliability to 90 percent?

• A)The sample estimate would increase to 55 years.
• B)The precision interval would be 40 to 60 years.
• C)The precision interval would be 35 to 65 years.
• D)The precision interval would have a lower probability of including the true (unknown)population average.

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Definitions:

Integument

The outer protective layer or covering of an organism, which in animals is usually the skin, and in plants, the epidermis or outer layer.

Planaria

A genus of flatworms known for their remarkable ability to regenerate, commonly studied in research on regeneration and stem cells.

Muscular Pharynx

The muscular pharynx is a part of the digestive and respiratory systems, playing a crucial role in swallowing and the passage of air and food.

Epidermal Surface

The epidermal surface is the outermost layer of the skin or the outer surface layer of plants, protecting against environmental damage and water loss.